Mark include-footer and include-header deprecated for removal

As we talked in mail list, these two options should be marked for
deprecated and removed in future[0]. Customization footer/header block
are recommended to use.

[0] http://lists.openstack.org/pipermail/openstack-dev/2016-September/102793.html

TrivialFix

Change-Id: I9d0b83b31b3680cf5083eafc2ae491348d3b084b

kolla/common/config.py

@@ -76,9 +76,15 @@ _CLI_OPTS = [
     cfg.DictOpt('build-args',
                 help='Set docker build time variables'),
     cfg.StrOpt('include-header', short='i',
+               deprecated_for_removal=True,
+               deprecated_reason=('Use a header block within a template'
+                                  ' overrides file instead'),
                help=('Path to custom file to be added at '
                      'beginning of base Dockerfile')),
     cfg.StrOpt('include-footer', short='I',
+               deprecated_for_removal=True,
+               deprecated_reason=('Use a footer block within a template'
+                                  ' overrides file instead'),
                help=('Path to custom file to be added at '
                      'end of Dockerfiles for final images')),
     cfg.BoolOpt('keep', default=False,

releasenotes/notes/deprecated-include-header-and-footer-71f16045920b0100.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - deprecated --include-header and --include-footer parameter
+upgrade:
+  - should move use header and footer block in template overrides file